/Engine/Source/Runtime/Engine/Public/AnimationRuntime.h
static void BlendPosesTogether ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FCompactPose](API\Runtime\Engine\FCompactPose) > SourcePoses, [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FBlendedCurve](API\Runtime\Engine\Animation\FBlendedCurve) > SourceCurves, [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [UE::Anim::FStackAttributeContainer](API\Runtime\Engine\Animation\FStackAttributeContainer) > SourceAttributes, [TArrayView](API\Runtime\Core\Containers\TArrayView)< const float > SourceWeights, [FAnimationPoseData](API\Runtime\Engine\Animation\FAnimationPoseData) & OutAnimationPoseData )